generator-ngstack/app/templates/server/config/environment/test.js

Based on DaftMonk generator-angular-fullstack, this is a custom mean stack yeoman generator

'use strict';

// Test specific configuration
// ===========================
module.exports = {
  // MongoDB connection options
  mongo: {
    uri: 'mongodb://localhost/<%= _.slugify(appname) %>-test'
  }
};